I know nothing about roos, but the hens are rated among the top 5 friendliest breeds. Of course, chickens are individuals, like members of other species, so no trait is set in stone.
I only have 2 pet 3 yr old hens from 2 different breeds so I don't have experience with others. My Blue Andalusian is smart, adventurous (escape artist, but thankfully she's outgrown that), fairly small and a little on the delicate side with a few health issues we have to deal with. My...